it would crack down on employers who hire undocumented workers. >> it won't be a quick process, but it will be a fair process and it will lift these individuals out of the shadows and give them a chance to earn their way to a green card and eventually to citizenship. >> reporter: the president's plan does not outline a guest worker program, nor does it tie a pathway to citizen ship to tighter border security, both part of the senate plan. >> that issue i think is a lifeline for most of us involving in this effort. >> reporter: rubio seemed to win rush limbaugh over. >> what you're doing is admirable and noteworthy. you are recognizing reality. >> reporter: some conservatives fear granting citizenship to undocumented immigrants may encourage more to come. >> it doesn't matter if it was clinton or if it was reagan. what we've learned is if you grant amnesty, what do you get? more amnesty. more illegal entry. and so what we want to make certain is that we have learned those lessons. >> reporter: bee an nna brianna keilar, cnn, washington. >>> baltimore ravens star ray lewis is answering q